Ultraviolet LEDs could provide a way to replace and enhance this part of the electromagnetic spectrum to produce darker, more colorful lettuces.(紫外线发光二极管则可以提供一种方式来提高电磁频谱的一部分,从而生产出颜色更深、更多姿多彩的莴苣。) Electromagnetic spectrum: a chart showing the relative ...
electromagnetic frequency spectrumdoi:10.1007/1-4020-0613-6_5923Weik, Martin H.Springer US
The current study examined the effects of 8-week of four kinds of EMF with different frequency spectrum bands on OVX-induced OP in mice, and found that OVX resulted in the decrease of bone mass and deterioration of bone microarchitecture and mechanical strength in mice, and this condition were...
网络电磁频谱管控 网络释义 1. 电磁频谱管控 电磁频谱管理,Elec... ... )electromagnetic frequency spectrum management电磁频谱管控) electromagnetic spectrum 电磁频 … www.dictall.com|基于 1 个网页
The spectrum is shown in Figure 1, with some information about the waves in each part or band. Figure 1: Radiation and Earth’s Atmosphere. This figure shows the bands of the electromagnetic spectrum and how well Earth’s atmosphere transmits them. Note that high-frequency waves from space ...
Figure 8 shows the waveform and power spectrum of transmitting a current of a single-frequency, dual-frequency, and five-frequency combination. It can be seen from the figure that, when transmitting a single frequency of 675 Hz, the peak current is approximately 10.6 A, and the signal-to-no...
The parts of the EM spectrum all have one thing in common: they all travel at the same speed in a vacuum. All the waves travel at 3 x 108m/s or 300,000,000 m/s. Each different part has a different use and dangers that are related to their wavelength and frequency. As the ...
时变激励下的接地网模拟计算能够较为准确地求得接地网上的电压分布, 从而进行变电站内电子设备之间的电磁干扰分析。 更多例句>> 3) HF EMI 高频电磁干扰 例句>> 4) inverter / electromagnetic interference 变频器/电磁干扰5) spectrum disturbance 频谱干扰 1. Analysis and measurement of spectrum disturbance...
Although there are several papers on investigating millimetre wave and THz frequency spectrum over the copper network, experimental work is still at its infancy. There is still a room for improvement at 1–10 GHz spectrum, where the current DSL technologies have not been used. Therefore, we ...
It also divides an optical frequency down to a radio frequency, or translates its phase to any other optical frequency across hundreds of terahertz of bandwidth. We review the historical backdrop against which this powerful tool for coherently uniting the electromagnetic spectrum developed. Advances ...